JWT Decoder

Decode and inspect JSON Web Tokens. View header, payload, and expiration status.

🔒All processing happens in your browser. No data is sent to any server.
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About JWT Tokens

JSON Web Tokens (JWTs) are a compact, URL-safe means of representing claims between two parties. They consist of three parts: header, payload, and signature. This decoder only reads the token — no secret key is needed or used.

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